ursa.dk

📜 Historical scan 2026-09-14 18:03:13 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ursa.dk is a .dk domain served by 2 nameservers (ivy.ns.cloudflare.com, mark.ns.cloudflare.com). It was registered on 27 July 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.7.136 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx01.mail.icloud.com, mx02.mail.icloud.com. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 40ms

Nameserver	IP addresses	PTR	ASN / ISP
ivy.ns.cloudflare.com	108.162.192.120 172.64.32.120 173.245.58.120 2606:4700:50::adf5:3a78 2803:f800:50::6ca2:c078 2a06:98c1:50::ac40:2078	ivy.ns.cloudflare.com ivy.ns.cloudflare.com ivy.ns.cloudflare.com ivy.ns.cloudflare.com ivy.ns.cloudflare.com ivy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mark.ns.cloudflare.com	108.162.193.130 172.64.33.130 173.245.59.130 2606:4700:58::adf5:3b82 2803:f800:50::6ca2:c182 2a06:98c1:50::ac40:2182	mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.7.136	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.135.246	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx01.mail.icloud.com	17.42.251.62 17.42.251.62 17.42.251.62 17.56.9.31 17.56.9.31 17.57.152.5 17.57.152.5 17.57.152.5 17.57.152.5 17.57.154.33 17.57.154.33 17.57.155.25 17.57.155.25 17.57.156.30 17.57.156.30	mx01.mail.icloud.com mx02.mail.icloud.com mx3.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com ic4-privaterelay.appleid.com smtp1.ic4-privaterelay.appleid.com mx02.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com	AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc.
10	3600s	mx02.mail.icloud.com	17.42.251.62 17.42.251.62 17.42.251.62 17.56.9.31 17.56.9.31 17.57.152.5 17.57.152.5 17.57.152.5 17.57.152.5 17.57.154.33 17.57.154.33 17.57.155.25 17.57.155.25 17.57.156.30 17.57.156.30	mx3.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com mx02.mail.icloud.com smtp1.ic4-privaterelay.appleid.com ic4-privaterelay.appleid.com mx01.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com	AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc.

🔷 AAAA Records (IPv6)#

2 records 43ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:788	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:87f6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 31ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.7.136,172.67.135.246 ech=AEX+DQBBcwAgACDC+eASx2aWGFx+iBjE08odIv4g6s91arVJg4BPw07hBwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:788,2606:4700:3035::ac43:87f6

📝 TXT Records#

3 records 215ms

TXT Record
apple-domain=4aa8Qjc27z4I62T4
apple-domain=52B8vpMu9bcA5Y4G
v=spf1 include:_spf.mx.cloudflare.net include:icloud.com ~all

✉️ SPF#

Policy	Record (ursa.dk)
~all (soft fail)	v=spf1 include:_spf.mx.cloudflare.net include:icloud.com ~all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

10 records 40ms

Flags	Tag	Value
0	issue	comodoca.com
0	issue	digicert.com; cansignhttpexchanges=yes
0	issue	letsencrypt.org
0	issue	pki.goog; cansignhttpexchanges=yes
0	issue	ssl.com
0	issuewild	comodoca.com
0	issuewild	digicert.com; cansignhttpexchanges=yes
0	issuewild	letsencrypt.org
0	issuewild	pki.goog; cansignhttpexchanges=yes
0	issuewild	ssl.com

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-13 15:50:12

www	104.21.7.136 172.67.135.246 2606:4700:3032::6815:788 2606:4700:3035::ac43:87f6 (AS13335) (address records, no CNAME)
www vs bare domain	Same network ursa.dk: 104.21.7.136 172.67.135.246 2606:4700:3032::6815:788 2606:4700:3035::ac43:87f6 (AS13335) www.ursa.dk: 104.21.7.136 172.67.135.246 2606:4700:3032::6815:788 2606:4700:3035::ac43:87f6 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

77ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2414628038
Primary NS (MNAME)	ivy.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-03 04:38:10

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-07-27
Expires	2035-07-31 (3208d)

📋 WHOIS#

⏱️ Lookup Timing#

40ms

48ms

39ms

AAAA

43ms

TXT

215ms

CAA

40ms

HTTPS

31ms

TLSA

97ms

SOA

0ms

MTA-STS

55ms

DNSSEC

77ms

SRV

70ms

Total

847ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 15:50:12	1155ms	2 NS 2 A 2 MX	🔒 Secure
2026-10-12 13:57:31	648ms	2 NS 2 A 2 MX	🔒 Secure
2026-10-06 04:18:46	568ms	2 NS 2 A 2 MX	🔒 Secure
2026-10-03 03:59:25	1582ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-14 18:03:13 shown	847ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-28 03:00:10	1269ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-27 03:48:44	1496ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-18 20:37:04	5300ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-15 02:07:01	4241ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-07 03:44:10	1986ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-02 09:57:37	9234ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-25 23:28:08	2189ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-18 08:17:15	10060ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-04 22:23:59	2230ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-03 14:03:29	1276ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-20 07:44:20	1830ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-18 05:51:58	1224ms	2 NS 2 A 2 MX	🔒 Secure